/[lmdze]/trunk/phylmd/Interface_surf/coef_diff_turb.f
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trunk/Sources/phylmd/coef_diff_turb.f revision 250 by guez, Fri Jan 5 18:18:53 2018 UTC trunk/phylmd/Interface_surf/coef_diff_turb.f revision 302 by guez, Thu Sep 6 13:19:51 2018 UTC
# Line 4  module coef_diff_turb_m Line 4  module coef_diff_turb_m
4    
5  contains  contains
6    
7    subroutine coef_diff_turb(dtime, nsrf, ni, ypaprs, ypplay, yu, yv, yq, yt, &    subroutine coef_diff_turb(nsrf, ni, paprs, pplay, u, v, q, t, ts, cdragm, &
8         yts, ycdragm, zgeop, ycoefm, ycoefh, yq2)         zgeop, coefm, coefh, q2)
9    
10        ! Computes coefficients for turbulent diffusion in the atmosphere.
11    
12        use nr_util, only: assert
13    
14      USE clesphys, ONLY: ok_kzmin      USE clesphys, ONLY: ok_kzmin
15      use coefkz_m, only: coefkz      use coefkz_m, only: coefkz
16      use coefkzmin_m, only: coefkzmin      use coefkzmin_m, only: coefkzmin
17      use coefkz2_m, only: coefkz2      use coefkz2_m, only: coefkz2
18      USE conf_phys_m, ONLY: iflag_pbl      USE conf_phys_m, ONLY: iflag_pbl
19      USE dimphy, ONLY: klev, klon      USE dimphy, ONLY: klev
20      USE suphec_m, ONLY: rd, rg, rkappa      USE suphec_m, ONLY: rd, rg, rkappa
21      use ustarhb_m, only: ustarhb      use ustarhb_m, only: ustarhb
22      use yamada4_m, only: yamada4      use yamada4_m, only: yamada4
23    
     REAL, INTENT(IN):: dtime ! interval du temps (secondes)  
24      INTEGER, INTENT(IN):: nsrf      INTEGER, INTENT(IN):: nsrf
25      INTEGER, INTENT(IN):: ni(:) ! (knon)      INTEGER, INTENT(IN):: ni(:) ! (knon)
26      REAL, INTENT(IN):: ypaprs(:, :) ! (klon, klev + 1)      REAL, INTENT(IN):: paprs(:, :) ! (knon, klev + 1)
27      REAL, INTENT(IN):: ypplay(:, :) ! (klon, klev)      REAL, INTENT(IN):: pplay(:, :) ! (knon, klev)
28      REAL, INTENT(IN), dimension(:, :):: yu, yv, yq, yt ! (klon, klev)      REAL, INTENT(IN), dimension(:, :):: u, v, q, t ! (knon, klev)
29      REAL, INTENT(IN):: yts(:), ycdragm(:) ! (knon)      REAL, INTENT(IN):: ts(:), cdragm(:) ! (knon)
30      REAL, INTENT(IN):: zgeop(:, :) ! (knon, klev)      REAL, INTENT(IN):: zgeop(:, :) ! (knon, klev)
31      REAL, intent(out):: ycoefm(:, 2:) ! (knon, 2:klev) coefficient, vitesse      REAL, intent(out):: coefm(:, 2:) ! (knon, 2:klev) coefficient, vitesse
32    
33      real, intent(out):: ycoefh(:, 2:) ! (knon, 2:klev)      real, intent(out):: coefh(:, 2:) ! (knon, 2:klev)
34      ! coefficient, chaleur et humidité      ! coefficient, chaleur et humidité
35    
36      real, intent(inout):: yq2(:, :) ! (klon, klev + 1)      real, intent(inout):: q2(:, :) ! (knon, klev + 1)
37    
38      ! Local:      ! Local:
39      REAL ycoefm0(klon, 2:klev), ycoefh0(klon, 2:klev)      REAL coefm0(size(ni), 2:klev), coefh0(size(ni), 2:klev) ! (knon, 2:klev)
40      REAL yzlay(klon, klev), zlev(klon, klev + 1), yteta(klon, klev)      REAL zlay(size(ni), klev), teta(size(ni), klev) ! (knon, klev)
41      REAL ustar(klon)      real zlev(size(ni), klev + 1) ! (knon, klev + 1)
42      integer k, knon      integer k
43    
44      !-------------------------------------------------------------------------      !-------------------------------------------------------------------------
45    
46      knon = size(ni)      call assert(size(ni) == [size(paprs, 1), size(pplay, 1), size(u, 1), &
47      CALL coefkz(nsrf, ypaprs(:knon, :), ypplay(:knon, :), yts(:knon), &           size(v, 1), size(q, 1), size(t, 1), size(ts), size(cdragm), &
48           yu(:knon, :), yv(:knon, :), yt(:knon, :), yq(:knon, :), zgeop, &           size(zgeop, 1), size(coefm, 1), size(coefh, 1), size(q2, 1)], &
49           ycoefm, ycoefh)           "coef_diff_turb knon")
   
     IF (iflag_pbl == 1) THEN  
        CALL coefkz2(nsrf, knon, ypaprs, ypplay, yt, ycoefm0(:knon, :), &  
             ycoefh0(:knon, :))  
        ycoefm = max(ycoefm, ycoefm0(:knon, :))  
        ycoefh = max(ycoefh, ycoefh0(:knon, :))  
     END IF  
   
     IF (ok_kzmin) THEN  
        ! Calcul d'une diffusion minimale pour les conditions tres stables  
        CALL coefkzmin(knon, ypaprs, ypplay, yu, yv, yt, yq, ycdragm(:knon), &  
             ycoefh0(:knon, :))  
        ycoefm0(:knon, :) = ycoefh0(:knon, :)  
        ycoefm = max(ycoefm, ycoefm0(:knon, :))  
        ycoefh = max(ycoefh, ycoefh0(:knon, :))  
     END IF  
50    
51      IF (iflag_pbl >= 6) THEN      IF (iflag_pbl >= 6) THEN
52         ! Mellor et Yamada adapt\'e \`a Mars, Richard Fournier et         ! Mellor et Yamada adapt\'e \`a Mars, Richard Fournier et
53         ! Fr\'ed\'eric Hourdin         ! Fr\'ed\'eric Hourdin
54         yzlay(:knon, 1) = rd * yt(:knon, 1) / (0.5 * (ypaprs(:knon, 1) &         zlay(:, 1) = rd * t(:, 1) / (0.5 * (paprs(:, 1) &
55              + ypplay(:knon, 1))) &              + pplay(:, 1))) * (paprs(:, 1) - pplay(:, 1)) / rg
             * (ypaprs(:knon, 1) - ypplay(:knon, 1)) / rg  
56    
57         DO k = 2, klev         DO k = 2, klev
58            yzlay(:knon, k) = yzlay(:knon, k-1) &            zlay(:, k) = zlay(:, k-1) + rd * 0.5 * (t(:, k-1) + t(:, k)) &
59                 + rd * 0.5 * (yt(1:knon, k-1) + yt(1:knon, k)) &                 / paprs(:, k) * (pplay(:, k-1) - pplay(:, k)) / rg
                / ypaprs(1:knon, k) &  
                * (ypplay(1:knon, k-1) - ypplay(1:knon, k)) / rg  
60         END DO         END DO
61    
62         DO k = 1, klev         forall (k = 1:klev) teta(:, k) = t(:, k) &
63            yteta(1:knon, k) = yt(1:knon, k) * (ypaprs(1:knon, 1) &              * (paprs(:, 1) / pplay(:, k))**rkappa * (1. + 0.61 * q(:, k))
                / ypplay(1:knon, k))**rkappa * (1. + 0.61 * yq(1:knon, k))  
        END DO  
   
        zlev(:knon, 1) = 0.  
        zlev(:knon, klev + 1) = 2. * yzlay(:knon, klev) &  
             - yzlay(:knon, klev - 1)  
   
        DO k = 2, klev  
           zlev(:knon, k) = 0.5 * (yzlay(:knon, k) + yzlay(:knon, k-1))  
        END DO  
64    
65         ustar(:knon) = ustarhb(yu(:knon, 1), yv(:knon, 1), ycdragm(:knon))         zlev(:, 1) = 0.
66         CALL yamada4(dtime, rg, zlev(:knon, :), yzlay(:knon, :), &         forall (k = 2:klev) zlev(:, k) = 0.5 * (zlay(:, k) + zlay(:, k-1))
67              yu(:knon, :), yv(:knon, :), yteta(:knon, :), yq2(:knon, :), &         zlev(:, klev + 1) = 2. * zlay(:, klev) - zlay(:, klev - 1)
68              ycoefm, ycoefh, ustar(:knon))  
69           CALL yamada4(zlev, zlay, u, v, teta, q2, coefm, coefh, &
70                ustarhb(u(:, 1), v(:, 1), cdragm))
71        else
72           CALL coefkz(nsrf, paprs, pplay, ts, u, v, t, q, zgeop, coefm, coefh)
73    
74           IF (iflag_pbl == 1) THEN
75              CALL coefkz2(nsrf, paprs, pplay, t, coefm0, coefh0)
76              coefm = max(coefm, coefm0)
77              coefh = max(coefh, coefh0)
78           END IF
79    
80           IF (ok_kzmin) THEN
81              ! Calcul d'une diffusion minimale pour les conditions tres stables
82              CALL coefkzmin(paprs, pplay, u, v, t, q, cdragm, coefh0)
83              coefm = max(coefm, coefh0)
84              coefh = max(coefh, coefh0)
85           END IF
86      END IF      END IF
87    
88    end subroutine coef_diff_turb    end subroutine coef_diff_turb
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